Diamond Coated Twist Drill #40
Diamond Coated Twist Drill #40
Experience precision with the Diamond Coated Twist Drill #40, a high-speed twist drill featuring a diamond coating on the tips to drill stone, ceramics, glass, and other hard non-metallic materials.
Built from superior high-grade steel, this medium-fine grit drill combines durability with exceptional cutting efficiency. Note: the drill size indicated is the pre-coating diameter.
- Diamond-coated tip delivers faster, cleaner holes in stone, ceramics, glass, and other hard non-metallic materials—reducing breakout and extending bit life.
- Medium-fine grit offers controlled drilling for precise holes on delicate surfaces while resisting wear.
- High-speed steel core ensures durability under tough drilling tasks and provides consistent performance.
- Pre-coating size reference indicates the diameter before the diamond layer, helping you select the right bit for your project.
- Versatile application ideal for DIY, crafts, tile work, and professional installations on non-metallic substrates.
Ready to drill hard materials with confidence? Add the Diamond Coated Twist Drill #40 to your toolkit today.
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Let customers speak for us
The price is right on this and it looks well made.
Perfect thank you
Exactly what I've been looking for. Works perfectly.
I am a novice e-waste refiner and PMC Supplies has been the sole company I have trusted throughout my journey. This borax is excellent and most of all, CONSISTENT! Thank you PMC.
Great product! Trusted seller. Fast shipping despite weighing nearly 50-pounds.
Fabulous lortone tumbler and in prestine condition! Great deal. Unbeatable.
Muy buena calidad
It is poorly made, the 1st photo is the one you get. One drawer was stuck and took a few minutes to wiggle it out. You can see the glue sticking out everywhere. The price is extremely high for what it is. I'm very disappointed.
Foredom lubricant kit excellent price and great
Got what i ordered
Seems to be a nicely built item. Will provide further evaluation when fired up.
Great product and customer service!
Love this pliers. Helps me cut a straight line from my bezels
Quality is excellent, the item matched the description and they met my expectations
Awesome! Best product out there
